Sometimes users face weird issues with printers. One such show online while actually offline. If you are using a wi-fi connection, follow these steps to fix brother hl-l2380dw offline:
· Go to the start button.
· Select devices and printers.
· Right-click on your printer model and select "see what's printing."
· Then, from the new window, select Printer and then choose Use printer online.
Your printer should be back online.